MORDECHAI BARAK;AVRAHAM ARBEL;Yiftah AFGIN;THE STATE OF ISRAEL MINISTRY OF AGRICULTURE & RURAL DEVELOPMENT AGRICULTURAL RESEARCH ORGANIZATION (ARO) (VOLCANI CENTER);BOAZ ZION
A vessel having an opening for receiving the product and walls surrounding the vessel at all sides except the opening. The interior of the vessel is filled with a fluid having a specific gravity lower than a specific gravity of a medium surrounding the walls outside the vessel. While the vessel is oriented with the opening facing downwards, the vessel and/or product is/are conveyed to ensure that the product enters the interior through the opening.
